Add missing checksum to libcddb.
Add missing checksum to libcddb.

koletzky/haikuports,miqlas/haikuports,haikuports/haikuports,nielx/haikuports,Begasus/haikuports,moochris/haikuports,haikuports/haikuports,moochris/haikuports,nielx/haikuports,Begasus/haikuports,haikuports/haikuports,miqlas/haikuports,Begasus/haikuports,haikuports/haikuports,Begasus/haikuports,moochris/haikuports,koletzky/haikuports,koletzky/haikuports,nielx/haikuports,haikuports/haikuports,Begasus/haikuports,miqlas/haikuports